package file;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class FISDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("./test.dat");
        int a=fis.read();
        int b=fis.read();
        int c=fis.read();
        fis.close();
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);
    }
}
